diff --git a/src/detect.c b/src/detect.c
index 476221539e..efdafc6c55 100644
--- a/src/detect.c
+++ b/src/detect.c
@@ -5285,7 +5285,6 @@ static int SigTest07Real (int mpm_type) {
 end:
     if (alp_tctx != NULL)
         AppLayerParserThreadCtxFree(alp_tctx);
-    SCMutexUnlock(&f.m);
     UTHFreePackets(&p, 1);
     StreamTcpFreeConfig(TRUE);
     FlowCleanupAppLayer(&f);